During the period of 1948- 1964, the company invested 6 billion Deutsche marks for restoration and reconstruction. During this period, the company also began to engage in the oil refining industry. During the period of 1959, due to the government's policy on the formation of private capital, Projsa AG left Feba Company. 1965 Feiba Company became a joint-stock company, and 60% of its capital was sold to the public. In the same year, Faber-Busch Co., Ltd. purchased the shares of Stinnes Company in trade, transportation and coal mining. 1969, all the coal mines owned by Feiba Company were transferred to Ruhr Kohler Company for operation, and Feiba Company became its largest shareholder. ? 1970, Feiba Company made structural adjustment. It merged with Hibemia, whose assets became VEBA? Chemie AG), Faber Glass Company (VEBA? Glas) and part of VEBA kraft Werke Ruhr. The oil crisis of 1973- 1974 sounded the alarm for Feiba Company. At that time, Feiba Company was an important smelting and marketing company, but it did not produce oil itself. In order to strengthen Feiba's position in the market and increase the supply of oil, Feiba merged Gelsenberg AG into DEMINEX. The latter is an oil exploration and production company, which also deals in smelting, chemicals and natural gas. 1989, Feiba Company acquired 50% equity of Feld Muller-Nobel AG. This company is a paper mill in Germany. Later, Feiba Company confirmed that it was impossible to completely buy the company, and 1990 sold the equity to Stora Company in Sweden. In the same year, hoels Company acquired a German chemical company, namely Roma Co., Ltd. In addition, by merging Rhenus and Schenker, Feiba Company made the distribution and transportation of Stinnes' chemical products more international. Later, Stinnes Intercarbon acquired Stromeyer Co., Ltd. and set up a joint venture engaged in coal trade in Berlin, named Kohle International GmbH. Since the reunification of Germany and Germany, Prussian Electric Power and Hydropower Equipment Co., Ltd. (Preussenelektra-Wasserkraftanlagen GmbH) has been actively involved in the modernization of the power supply network in East Langdon. ? 1992, Stinnes signed a cooperation agreement with the Chechen government to take charge of the export business of Grozny Smelter. ? The privatization process of German power sector started very early, and most of this process was completed through enterprise merger. In 2000, United Power and Mining AG and United Industrial Enterprise AG merged into Eon AG, the largest power company in Germany. The company was founded as one of the largest energy companies in Europe, and plans to acquire Ruhr Natural Gas Co., Ltd. in China and POWERGEN Energy Company in Britain.